clang 20.0.0git
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clang::InitializedEntity Class Reference

Describes an entity that is being initialized. More...

#include "clang/Sema/Initialization.h"

Public Types

enum  EntityKind {
  EK_Variable , EK_Parameter , EK_TemplateParameter , EK_Result ,
  EK_StmtExprResult , EK_Exception , EK_Member , EK_ArrayElement ,
  EK_New , EK_Temporary , EK_Base , EK_Delegating ,
  EK_VectorElement , EK_BlockElement , EK_LambdaToBlockConversionBlockElement , EK_ComplexElement ,
  EK_LambdaCapture , EK_CompoundLiteralInit , EK_RelatedResult , EK_Parameter_CF_Audited ,
  EK_Binding , EK_ParenAggInitMember
}
 Specifies the kind of entity being initialized. More...
 

Public Member Functions

EntityKind getKind () const
 Determine the kind of initialization.
 
const InitializedEntitygetParent () const
 Retrieve the parent of the entity being initialized, when the initialization itself is occurring within the context of a larger initialization.
 
QualType getType () const
 Retrieve type being initialized.
 
TypeSourceInfogetTypeSourceInfo () const
 Retrieve complete type-source information for the object being constructed, if known.
 
DeclarationName getName () const
 Retrieve the name of the entity being initialized.
 
ValueDeclgetDecl () const
 Retrieve the variable, parameter, or field being initialized.
 
ObjCMethodDeclgetMethodDecl () const
 Retrieve the ObjectiveC method being initialized.
 
bool allowsNRVO () const
 Determine whether this initialization allows the named return value optimization, which also applies to thrown objects.
 
bool isParameterKind () const
 
bool isParamOrTemplateParamKind () const
 
bool isParameterConsumed () const
 Determine whether this initialization consumes the parameter.
 
const CXXBaseSpecifiergetBaseSpecifier () const
 Retrieve the base specifier.
 
bool isInheritedVirtualBase () const
 Return whether the base is an inherited virtual base.
 
bool isVariableLengthArrayNew () const
 Determine whether this is an array new with an unknown bound.
 
bool isImplicitMemberInitializer () const
 Is this the implicit initialization of a member of a class from a defaulted constructor?
 
bool isDefaultMemberInitializer () const
 Is this the default member initializer of a member (specified inside the class definition)?
 
SourceLocation getReturnLoc () const
 Determine the location of the 'return' keyword when initializing the result of a function call.
 
SourceLocation getThrowLoc () const
 Determine the location of the 'throw' keyword when initializing an exception object.
 
unsigned getElementIndex () const
 If this is an array, vector, or complex number element, get the element's index.
 
void setElementIndex (unsigned Index)
 If this is already the initializer for an array or vector element, sets the element index.
 
StringRef getCapturedVarName () const
 For a lambda capture, return the capture's name.
 
SourceLocation getCaptureLoc () const
 Determine the location of the capture when initializing field from a captured variable in a lambda.
 
void setParameterCFAudited ()
 
unsigned allocateManglingNumber () const
 
void dump () const
 Dump a representation of the initialized entity to standard error, for debugging purposes.
 

Static Public Member Functions

static InitializedEntity InitializeVariable (VarDecl *Var)
 Create the initialization entity for a variable.
 
static InitializedEntity InitializeParameter (ASTContext &Context, ParmVarDecl *Parm)
 Create the initialization entity for a parameter.
 
static InitializedEntity InitializeParameter (ASTContext &Context, ParmVarDecl *Parm, QualType Type)
 Create the initialization entity for a parameter, but use another type.
 
static InitializedEntity InitializeParameter (ASTContext &Context, QualType Type, bool Consumed)
 Create the initialization entity for a parameter that is only known by its type.
 
static InitializedEntity InitializeTemplateParameter (QualType T, NonTypeTemplateParmDecl *Param)
 Create the initialization entity for a template parameter.
 
static InitializedEntity InitializeResult (SourceLocation ReturnLoc, QualType Type)
 Create the initialization entity for the result of a function.
 
static InitializedEntity InitializeStmtExprResult (SourceLocation ReturnLoc, QualType Type)
 
static InitializedEntity InitializeBlock (SourceLocation BlockVarLoc, QualType Type)
 
static InitializedEntity InitializeLambdaToBlock (SourceLocation BlockVarLoc, QualType Type)
 
static InitializedEntity InitializeException (SourceLocation ThrowLoc, QualType Type)
 Create the initialization entity for an exception object.
 
static InitializedEntity InitializeNew (SourceLocation NewLoc, QualType Type)
 Create the initialization entity for an object allocated via new.
 
static InitializedEntity InitializeTemporary (QualType Type)
 Create the initialization entity for a temporary.
 
static InitializedEntity InitializeTemporary (ASTContext &Context, TypeSourceInfo *TypeInfo)
 Create the initialization entity for a temporary.
 
static InitializedEntity InitializeTemporary (TypeSourceInfo *TypeInfo, QualType Type)
 Create the initialization entity for a temporary.
 
static InitializedEntity InitializeRelatedResult (ObjCMethodDecl *MD, QualType Type)
 Create the initialization entity for a related result.
 
static InitializedEntity InitializeBase (ASTContext &Context, const CXXBaseSpecifier *Base, bool IsInheritedVirtualBase, const InitializedEntity *Parent=nullptr)
 Create the initialization entity for a base class subobject.
 
static InitializedEntity InitializeDelegation (QualType Type)
 Create the initialization entity for a delegated constructor.
 
static InitializedEntity InitializeMember (FieldDecl *Member, const InitializedEntity *Parent=nullptr, bool Implicit=false)
 Create the initialization entity for a member subobject.
 
static InitializedEntity InitializeMember (IndirectFieldDecl *Member, const InitializedEntity *Parent=nullptr, bool Implicit=false)
 Create the initialization entity for a member subobject.
 
static InitializedEntity InitializeMemberFromParenAggInit (FieldDecl *Member)
 Create the initialization entity for a member subobject initialized via parenthesized aggregate init.
 
static InitializedEntity InitializeMemberFromDefaultMemberInitializer (FieldDecl *Member)
 Create the initialization entity for a default member initializer.
 
static InitializedEntity InitializeElement (ASTContext &Context, unsigned Index, const InitializedEntity &Parent)
 Create the initialization entity for an array element.
 
static InitializedEntity InitializeBinding (VarDecl *Binding)
 Create the initialization entity for a structured binding.
 
static InitializedEntity InitializeLambdaCapture (IdentifierInfo *VarID, QualType FieldType, SourceLocation Loc)
 Create the initialization entity for a lambda capture.
 
static InitializedEntity InitializeCompoundLiteralInit (TypeSourceInfo *TSI)
 Create the entity for a compound literal initializer.
 

Detailed Description

Describes an entity that is being initialized.

Definition at line 47 of file Initialization.h.

Member Enumeration Documentation

◆ EntityKind

Specifies the kind of entity being initialized.

Enumerator
EK_Variable 

The entity being initialized is a variable.

EK_Parameter 

The entity being initialized is a function parameter.

EK_TemplateParameter 

The entity being initialized is a non-type template parameter.

EK_Result 

The entity being initialized is the result of a function call.

EK_StmtExprResult 

The entity being initialized is the result of a statement expression.

EK_Exception 

The entity being initialized is an exception object that is being thrown.

EK_Member 

The entity being initialized is a non-static data member subobject.

EK_ArrayElement 

The entity being initialized is an element of an array.

EK_New 

The entity being initialized is an object (or array of objects) allocated via new.

EK_Temporary 

The entity being initialized is a temporary object.

EK_Base 

The entity being initialized is a base member subobject.

EK_Delegating 

The initialization is being done by a delegating constructor.

EK_VectorElement 

The entity being initialized is an element of a vector.

or vector.

EK_BlockElement 

The entity being initialized is a field of block descriptor for the copied-in c++ object.

EK_LambdaToBlockConversionBlockElement 

The entity being initialized is a field of block descriptor for the copied-in lambda object that's used in the lambda to block conversion.

EK_ComplexElement 

The entity being initialized is the real or imaginary part of a complex number.

EK_LambdaCapture 

The entity being initialized is the field that captures a variable in a lambda.

EK_CompoundLiteralInit 

The entity being initialized is the initializer for a compound literal.

EK_RelatedResult 

The entity being implicitly initialized back to the formal result type.

EK_Parameter_CF_Audited 

The entity being initialized is a function parameter; function is member of group of audited CF APIs.

EK_Binding 

The entity being initialized is a structured binding of a decomposition declaration.

EK_ParenAggInitMember 

The entity being initialized is a non-static data member subobject of an object initialized via parenthesized aggregate initialization.

Definition at line 50 of file Initialization.h.

Member Function Documentation

◆ allocateManglingNumber()

unsigned clang::InitializedEntity::allocateManglingNumber ( ) const
inline

◆ allowsNRVO()

bool InitializedEntity::allowsNRVO ( ) const

◆ dump()

LLVM_DUMP_METHOD void InitializedEntity::dump ( ) const

Dump a representation of the initialized entity to standard error, for debugging purposes.

Definition at line 3770 of file SemaInit.cpp.

◆ getBaseSpecifier()

const CXXBaseSpecifier * clang::InitializedEntity::getBaseSpecifier ( ) const
inline

Retrieve the base specifier.

Definition at line 491 of file Initialization.h.

References EK_Base, and getKind().

Referenced by clang::Sema::CheckConstructorAccess(), clang::InitializationSequence::Diagnose(), and PerformConstructorInitialization().

◆ getCapturedVarName()

StringRef clang::InitializedEntity::getCapturedVarName ( ) const
inline

For a lambda capture, return the capture's name.

Definition at line 551 of file Initialization.h.

References EK_LambdaCapture, and getKind().

Referenced by clang::Sema::CheckConstructorAccess().

◆ getCaptureLoc()

SourceLocation clang::InitializedEntity::getCaptureLoc ( ) const
inline

Determine the location of the capture when initializing field from a captured variable in a lambda.

Definition at line 558 of file Initialization.h.

References EK_LambdaCapture, and